Correct DMG product name spelling in section 2.1, page 9

gbasmdev.tex

@@ -87,7 +87,7 @@ \section{Brief description of the hardware}
 
 The Game Boy has 8 kB of RAM, and additional RAM may be available inside certain game carts. There's also 8 kB of dedicated VRAM for storing graphics. 
 
-The screen has a resolution of 160x144, supporting 4 colors (darkest, dark, light, lightest) on the original Gameboy and the Game Boy Pocket and Light, or many more colors on the Super Game Boy and Game Boy Color (although the way these are colored is completely different, see Chapters~\ref{sgb} and \ref{gbc}). 
+The screen has a resolution of 160x144, supporting 4 colors (darkest, dark, light, lightest) on the original Game Boy and the Game Boy Pocket and Light, or many more colors on the Super Game Boy and Game Boy Color (although the way these are colored is completely different, see Chapters~\ref{sgb} and \ref{gbc}). 
 
 The graphics are made out of background tiles and foreground sprites, letting the sprites move arbitrarily around over the background. The Game Boy actually renders a 256x256 pixel surface, and then a 160x144 section is cropped from that and displayed on the screen. Moving this viewport around is used for creating scrolling effects.